Derrick



' July 6,1926L. h 1,591,011

. T. A. L. BOWEN Filed Feb. 24, 1926 2 Sheets-Shae 1 July 6,1926. K 1,591,011

' T. A. L. BOWEN v DERRICK Filed Feb. 24,192 2 Sheets-Sheet 2 j 3; fl'imnmcx.

Patented i Th i i h r at s 1 1 a k nd has Crete footers; thereby 4 providing rigid.

structure which'inay be easily taken jdo wnf' and inoved from 'pointto po nt as desired and atthesame time a] positive operating device is provided as the steel parts 1, will not warp or. twist. incident-to weather Iconditions'. and at the same tiine'ftlie'lifefoftlie I V I channeli i-0n ffor rt inderingtheisainefrigidf ri will be extended; f i

V further object to. forni thefswing; beam or lever from opposed channels ha vg ing 'their flanges extending towards each other and connected together hygbars in zig zag relation thereby foi'niing 'aflever which i is rigid, formedfrom metal, and;one wh ch is thoroughly trussed and braced.

;. A;further object-is to pmidewh lower end-of the swing lever with a block having ;its opp o'sitefsidesdisposed within thechanthe invention resides in the combination and nel memb'ei's, va "bearing member carried theblock-and'a' base plate anchored-to one of tlie concrete footers and havinga bearing therein for the bearing member carried by the block.

A further obj eat: is to provide anchoring I bolts in the; footer, which bolts exlterid upwardly throughv elongated alined slots in the base, plate, and are provided "with j notched washers cooperating I. with transversely I posed ribsof the. plate for .h'oldingfthe plate against lateral displacement in adj nsted positions. v 1, With the abo. e and other "Ob]6CtS" in v ewarrangement of parts' as hereinafter shown in ;.the drawings, described andiclainied, -1t

being understood that changes in the p re-L f oise, e nhodiinentjof. the invention niay he made within the scope of ivhat is 'claiined 7 .liigurev 3 is afside'ele'va'tion of theyfswing eve plate.

Figu re 5 is supporting bars.

Referring to the drawings, the numeral 1 designates the tower which is fornied :l";i 'o1n metal and the angle iron legs 2 of which without departing ftroin' tlie'lspirit of the 'Eigiire A is agtop plan viewflof the base" 7 V p I V I i over whichsprocket a sprocket-.chain 29f V 1 The sprocket chain 29 extends I over a sprocket 3Qg'carried by the trans", versely disposed shaft" 12, therefore itfwilt side elevation of tlieengine extends.

:- mnoyin moivn-iinonnnn'BownNQoEjrULsm;oxnziiiomhgf j;

res'ton the concrete footers 3, 'thereioreit seated on; al rigid foundation and may be disassembled for moving, from pla epost ' 4, iwhicli is vertically .dispo sed and j which footer 5'. 'l he Sampson post 1 4; is braced jwillfbeseen' that the ftowerfispositively thesa'me' w o p c0 I to place when desired." f fDis'posed fadjacent' by brace barsffig 'which t'liforoughlyfbiace the 1 same. Tl ie[Sampson post is builtap new at the" same time permahent Lstriicture'f and inounted on "a concrete "footer .11:. 130- 1 iab l t in; wear ng ca ri y: .7 1 the upper end of the jack post 'lOis. a-tra 'i.

veiseiy I disposed Shaft which shaft s nected an hpwardl'y extending connecting rod 15L, the upper end of whichfpivotallyj engag s one @end Qf fi 'w lli n' ba 1 5E it wi'lljbeseen'that when the shaft 12" isro- 'i 3 'th Wa in ams W ll' b O iill d.

n} its" pivotal jf'poi nt "Mounted? on the f shaft is'a' drivejpil'lly flfi; around which a 1 an endless belt "fex te'ndsfi" f belt :16 extends 'overa pulley: 17 carried an en'- gine 18; which: is i'moii'nted' on; spaced allel bars :19 which arefclanipedby nieaiis turn mounted onfioo'ters 22, therefore it will d sire t is a be ga g ef f ea n ka app an Ii i iod lllli" to iany specific type oi engine. i.

the transversely "disposed shaft 12 'i a pol a ley 23,1 and extending aroundsaid -pu'llev' and-the wheelZit is a crossed drivebe-lt'25 f whichi'opera't'sin tlie 'usual manner. a sand reel f 26 is of a" conventional construe-1f tion; and is-inounte'd on a transverselyfdisf-j posed shaft 27 and is drivenlby means off 5 asp'rocket 28 carriedfby the. shaft 27,"and-" shaft 12, the sand reehfzfi will 'als o op ratef I i 

